Scheduling Request in 5G-NR
The concept of Scheduling request is same for LTE and 5G NR. Scheduling request is way for UE to tell the network that it has some data in its MAC buffer and it needs PHY resources in Uplink to send…
MAC
PDCCH order in 5G NR
PDCCH order is one of the reasons for RACH trigger in both LTE and 5G-NR. If the network detects that there is DL Data to be sent to UE in its MAC Buffer and there is a UL synchronization issue…
RACH Failure reasons in 5G-NR
RACH Failure can happen due to Multiple issues and there might be multiple reasons, I have listed down a list of RACH Failure reasons that can happen in 5G-NR. RACH process is a PHY/MAC Level procedure, but the RACH Configuration…
2-Step RACH in Release-16 of 5G-NR
In Earlier versions of NR Releases prior to R-16, There was only one type of RACH procedure which is kind of similar to the LTE RACH procedure also known as the 4-Step RACH procedure. In the Release-16 NR version, 3GPP…